/*
 * @(#)MultiLocation.java     14/08/02
 * 
 * Author             Rick Wilson
 * Copyright (c) 2014 Rick Wilson
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions are met:
 *     * Redistributions of source code must retain the above copyright
 *       notice, this list of conditions and the following disclaimer.
 *     * Redistributions in binary form must reproduce the above copyright
 *       notice, this list of conditions and the following disclaimer in the
 *       documentation and/or other materials provided with the distribution.
 *     * Neither the name of 'Taareekah' nor the
 *       names of its contributors may be used to endorse or promote products
 *       derived from this software without specific prior written permission.
 * 
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
 * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
 * DISCLAIMED. IN NO EVENT SHALL <COPYRIGHT HOLDER> BE LIABLE FOR ANY
 * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
 * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
 * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
 * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 *
 */



package gameobject;

//~--- non-JDK imports --------------------------------------------------------

import core.Main;

import util.Point;

import world.Terrain;
import world.TerrainTile;

//~--- JDK imports ------------------------------------------------------------

import java.util.Collection;
import java.util.HashSet;

/**
 *
 * @author rick
 */
public class MultiLocation extends Component {

    /** Field description */
    private static final long	serialVersionUID	= 20140428L;

    /**
     *
     */
    public MultiLocation() {
	try {
	    component_typename	= "MultiLocation";
	    addAttribute("contained", new HashSet<Point>());
	    createAndAddMethodClosure(this, "getContainedSet");
	    createAndAddMethodClosure(this, "addPoint");
	    createAndAddMethodClosure(this, "containsPoint");
	    createAndAddMethodClosure(this, "removePoint");
	} catch (Exception e) {}
    }

    /**
     *
     * @return
     */
    public Collection<Point> getContainedSet() {
	return (Collection<Point>) getAttribute("contained");
    }

    /**
     *
     * @param p
     */
    public void removePoint(Point p) {
	Collection<Point>	contained	= getContainedSet();

	if (!contained.contains(p)) {
	    return;
	}

	Terrain	terrain	= Main.getWorld().getTerrain();

	if (!terrain.isValidPoint(p)) {
	    return;
	}

	TerrainTile	tile	= terrain.getTerrainTile(p);

	tile.removeLocationComponent(this);
	contained.remove(p);
    }

    /**
     *
     * @param p
     */
    public void addPoint(Point p) {
	Collection<Point>	contained	= getContainedSet();
	Terrain			terrain		= Main.getWorld().getTerrain();

	if (!terrain.isValidPoint(p)) {
	    return;
	}

	if (containsPoint(p)) {
	    return;
	}

	TerrainTile	tile	= terrain.getTerrainTile(p);

	tile.addLocationComponent(this);
	contained.add(p);
    }

    /**
     *
     * @param p
     * @return
     */
    public boolean containsPoint(Point p) {
	Collection<Point>	contained	= getContainedSet();

	return contained.contains(p);
    }
}


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